Home / Technical Articles

Technical Articles

  • Standpipes: Protecting Horizontal Pipe

    What are Laterals?  One of the aspects of NFPA 14, Standard for the Installation of Standpipe and Hose Systems, that has been regularly edited ov…

  • High-Rise Standpipe Design

    A Case History  In my previous standpipe article (see the July/August 2016 issue of Sprinkler Age), I discussed the following issues in standpipe syst…

  • Stuck on Standpipes?

    Informal Interpretations Help Members The informal interpretations featured in this issue of Sprinkler Age address standpipe issues. AFSA’s informal i…

  • Low Flow Attic System Design

    A New Scope for Roofs with Slope Combustible concealed attics have always been a difficult area for the fire sprinkler industry to adequately protect.…

  • NFPA 13, 2019 Edition Quiz Answers

    Answers and Explanations Here are the answers, with explanations, for the NFPA 13, Standard for the Installation of Sprinkler Systems, 2019 edition qu…

High-Rise Standpipe Design

A Case History  In my previous standpipe article (see the July/August 2016 issue of Sprinkler Age), I discussed the following issues in standpipe system design:1. When are standpipes required and what are the installation requirements?2. What type of standpipe system is required?3. Where are the required hose outlets located?4. What …

Read More »

Stuck on Standpipes?

Informal Interpretations Help Members The informal interpretations featured in this issue of Sprinkler Age address standpipe issues. AFSA’s informal interpretations are provided to AFSA members by Senior Vice President of Engineering & Technical Services Roland Huggins, PE; Senior Fire Protection Engineer Russ Bainbridge, PE; and Technical Programs Specialist Tom Noble, …

Read More »

Low Flow Attic System Design

A New Scope for Roofs with Slope Combustible concealed attics have always been a difficult area for the fire sprinkler industry to adequately protect. Adding to this difficulty is the public perception of failure by automatic fire sprinkler systems when a fire burns unchecked through an NFPA 13R, Standard for …

Read More »

Fire Sprinkler Design

What’s the Building Owner Got to Do with It? So, there I was opening up a set of construction documents to begin a new fire sprinkler design for a new building being built. Knowing the area, I quickly identified the location and the associated jurisdiction I would be dealing with. …

Read More »

Selecting Air Compressors

What You Need to Know Fire protection air compressors are not often looked at closely by designers and installers, but when the wrong type of compressor is used the facility manager gets very familiar with them. A little work and a little education on the front end of an installation …

Read More »

CPVC Design Considerations

Have You Accounted for Thermal Expansion? Plastic piping systems are very popular and have undoubtedly been a major factor in the economical installation of sprinkler systems. A common misconception in our industry may be that any system designer who can design a traditional steel-pipe fire system can also design a …

Read More »

Dry System Valve Trip Testing

All That It Entails With all that NFPA 25, Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems, includes, few things are as straight forward as the trip testing of a dry system valve. Straight forward, however, does not mean uncomplicated. So, don’t lose focus during this …

Read More »